<?php
$array = array(
    "foo" => "bar",
    42    => 24,
    "multi" => array(
         "dimensional" => array(
             "array" => "foo"
         )
    )
);

echo 'var_dump($array):';
echo "\n";
var_dump($array);
echo "\n";
echo 'var_dump($array["foo"]):';
echo "\n";
var_dump($array["foo"]);
echo "\n";
echo 'var_dump($array[42]):';
echo "\n";
var_dump($array[42]);
echo "\n";
echo 'var_dump($array["multi"]):';
echo "\n";
var_dump($array["multi"]);
echo "\n";
echo 'var_dump($array["multi"]["dimensional"]):';
echo "\n";
var_dump($array["multi"]["dimensional"]);
echo 'var_dump($array["multi"]["dimensional"]["array"]):';
echo "\n";
var_dump($array["multi"]["dimensional"]["array"]);
echo "\n";
?>